Question

Of 54 ​cities, 3 have a lake and 21 have a river running through them. What fraction of these 54 cities have a lake or a river running through​ them? Show your work.

Answer 1

Answer: 4/9

Explanation:

Number of cities with lake = 3

Number of cities with river = 21

Total number of cities with lake or river = 3 + 21 = 24

Total number of cities = 54

Fraction with lake or river = 24/54 = 4/9